[edk2-devel] mmio mappings for runtime service

[Gerd Hoffmann]

  Hi,

What is the correct way to make sure runtime services can access
mmio registers, i.e. that there is a mapping in the page tables
for the mmio page needed?

Is that the job of the firmware?
Or should the OS calling the runtime service handle that?
In case of the latter: How does the OS figure which pages are needed?

thanks,
  Gerd



-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#79948): https://edk2.groups.io/g/devel/message/79948
Mute This Topic: https://groups.io/mt/85247585/1813853
Group Owner: devel+owner at edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [edk2-devel-archive at redhat.com]
-=-=-=-=-=-=-=-=-=-=-=-